EuroQuality Herbal Supplement. IQ (Ingredient Quality) tested. Active compounds. Nature's Herbs EuroQuality Valerian Root is a perennial herb that is harvested from Europe. Although the flowers are beautiful and sweet-smelling, it is the pungent root that is most sought after today. Used since ancient times, Valerian Root is as popular today as ever for its beneficial properties. Our exclusive FreshCare System inhibits normal plant oxidation, maintaining product potency and extending freshness. It includes all-natural antioxidants in each capsule, oxygen-absorbing packets in each bottle, special air-tight seals and amber glass packaging for uncompromised quality.